Home / 4,789.87-6,612.35-3,197.46

Finding the Fourth Proportional to 4,789.87, 6,612.35 and 3,197.46

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Solution

The fourth proportional to 4,789.87, 6,612.35 and 3,197.46 is: 4,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.87 : 6,612.35 = 3,197.46 : x
  2. Step 2: Convert to fraction form
    4,789.87/6,612.35 = 3,197.46/x
  3. Step 3: Cross multiply
    4,789.87x = 6,612.35 × 3,197.46
  4. Step 4: Simplify right side
    4,789.87x = 21,142,724.63
  5. Step 5: Solve for x
    x = 21,142,724.63/4,789.87
  6. Step 6: Final answer
    x = 4,414.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.